<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>数组去重</title>
	</head>
	<body>
		<script>
			var arr=[1,2,2,3,4,5];
			function remove(arr){
				var newArr=[];
				for(var i=0;i<arr.length;i++){
					var bool=true;
					for(var j=0;j<newArr.length;j++){
						if(arr[i]==newArr[j]){
							bool=false;
						}
					}
					if(bool){
						newArr[newArr.length]=arr[i];
					}
				}
				return newArr;
			}
			console.log(remove(arr));
		</script>
	</body>
</html>
